NAI Long Island
Leasing Non-residential Real EstateNew York, United States11-50 Employees
NAI Long Island is a mid-sized, full-service commercial real estate firm headquartered in Melville, New York. Established in 1980, the company provides a range of services including sales and leasing of non-residential properties, tenant and landlord representation, property management, and advisory consulting. Its work focuses on supporting clients with leasing decisions, asset optimization, and real estate portfolio management within the non-residential sector. As the Nassau, Suffolk, and Queens County representative for the NAI Global network, the firm connects local clients to a broader international platform while maintaining a regional presence. This affiliation situates NAI Long Island within a larger ecosystem of commercial real estate professionals. In 2025, Marian Campi-Conde was promoted to Managing Director, reflecting leadership growth within the organization.